package top.hzy520.personalblog.dao;

import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
import org.springframework.data.jpa.repository.Modifying;
import org.springframework.data.jpa.repository.Query;
import top.hzy520.personalblog.po.Blog;

import javax.transaction.Transactional;
import java.util.List;

public interface BlogRepository extends JpaRepository<Blog,Long>,JpaSpecificationExecutor<Blog> {
    @Query("select b from Blog b where b.recommend=true")
    List<Blog> findTop(Pageable pageable);

    @Query("select  b from  Blog  b where b.title like ?1 or b.content like ?1")
    Page<Blog>  findByQuery(String query,Pageable pageable);

    @Transactional
    @Modifying
    @Query("update  Blog  b set b.views=b.views+1 where b.id=?1")
    int updateViews(Long id);
}
